Hybrid Fuel Systems Receives EPA Conversion System Certifications for 2003 and 2005 Gasoline Vehicles

TAMPA, Fla.--Nov. 9, 2005--Hybrid Fuel Systems, Inc., today announced receipt of United States Environmental Protection Agency (EPA) 2005 Certificates of Conformity for 4.8 liter gasoline to compressed natural gas (CNG) systems and 2003 Certificates of Conformity for 3.4 and 3.8 liter for gasoline to CNG systems. Popular 2005 models now eligible for conversion include Chevrolet Silverado and Sierra and 2003 models now eligible for conversion include Chevrolet Impala and Monte Carlo; Pontiac Grand Am, and Grand Prix and Oldsmobile Alero. Hybrid Fuel Systems is engaged in the automotive aftermarket through developing and commercializing systems which convert diesel and gasoline engines to operate on natural gas and propane.

"We are very pleased to add these newest EPA certifications to our portfolio," said Hybrid CEO Mark Clancy. "In addition to our development work with various original equipment manufacturers (OEM), we are enjoying a renewed interest in our product line directly from consumers. The price disparity between either diesel or gasoline and alternatives such as natural gas or propane have become a fixture in our industry. We are pleased to bring affordable conversion solutions to many popular models on our roads today and we look forward to adding more EPA certified platforms to our portfolio in the coming new year," concluded Mr. Clancy.

About Hybrid Fuel Systems, Inc. -- Hybrid is engaged in the automotive aftermarket through developing and commercializing systems which convert diesel and gasoline engines to operate on natural gas and propane. The Company's principal technology is embodied in five US Patents and several foreign patents pending licensed to Hybrid on a world-wide exclusive basis. The Company also resells medium and light-weight vehicle conversion systems under an agreement with ECO Fuels, Inc. and resells and services alternative fuel filling stations. The Company markets its product line directly to OEMs as well as to consumers through a multi-state network of installation and service centers.

For information at the Company contact CEO Mark Clancy the Company's corporate headquarters at 813-979-9222 or by cellular phone at 813-624-5515 or visit the Company's web site at http://www.hybridfuelsystems.com.